Home / 16,959.60-25,439.40-7,725.60

Finding the Fourth Proportional to 16,959.60, 25,439.40 and 7,725.60

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Solution

The fourth proportional to 16,959.60, 25,439.40 and 7,725.60 is: 11,588.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,959.60 : 25,439.40 = 7,725.60 : x
  2. Step 2: Convert to fraction form
    16,959.60/25,439.40 = 7,725.60/x
  3. Step 3: Cross multiply
    16,959.60x = 25,439.40 × 7,725.60
  4. Step 4: Simplify right side
    16,959.60x = 196,534,628.64
  5. Step 5: Solve for x
    x = 196,534,628.64/16,959.60
  6. Step 6: Final answer
    x = 11,588.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.